High-Pressure Crusher Gear Pump

Engineered by NMS – Hydraulic Precision Redefined

Key Upgrade Solution
Gear Pump Assembly
For Metso HP/GP, Sandvik CH/CS Series Single-Cylinder Crushers

Core Advantages

✅ Zero-Pulsation Flow

• Helical gear design (25° helix) reduces pressure ripple to <2%

• Flow consistency: ±1.5% at 3000 psi (ISO 4401 verified)

✅ Abrasion Immunity

• Hardened steel gears (60-62 HRC) + bronze bushings

• 10μm filtration tolerance handles contaminated oil

✅ Instant Installation

• SAE flange mount with alignment-free coupling

• Replacement time: <20 minutes

Performance HighlightsParameterNMS Pump

Max. Pressure	5,000 psi
Volumetric Eff.	96% @ 100°C
Noise Level	68 dB(A)
Service Life	24+ months

Critical Value

▸ Solves oil overheating in high-cycle crushing
▸ Prevents cavitation damage during cold starts (-30°C)
▸ Compatible with ISO VG 46/68 hydraulic oils

NMS Proven in Iron Ore & Aggregate Operations
Integrates with NMS hydraulic seals for complete system reliability.